Retroprism holder and sighting mechanism



FIG. 1 is an elevational view of one side of the retroprism holder and sighting mechanism showing my new design;

FIG. 2 is an elevational view of the rear of the mechanism shown in FIG. 1;

FIG. 3 is a top plan view of the mechanism shown in FIG. 1;

FIG. 4 is an elevational view of the other side of the mechanism shown in FIG. 1;

FIG. 5 is an elevational view of the front of the mechanism shown in FIG. 1; and

FIG. 6 is a bottom plan view of the mechanism shown in FIG. 1.

The broken lines are shown for illustrative purposes only. 

The ornamental design for a retroprism holder and sighting mechanism, as shown and described. 